| 2 |
- |
1 |
/* Copyright (C) 1996, 2001 Ghostgum Software Pty Ltd. All rights reserved.
|
|
|
2 |
|
|
|
3 |
This software is provided AS-IS with no warranty, either express or
|
|
|
4 |
implied.
|
|
|
5 |
|
|
|
6 |
This software is distributed under license and may not be copied,
|
|
|
7 |
modified or distributed except as expressly authorized under the terms
|
|
|
8 |
of the license contained in the file LICENSE in this distribution.
|
|
|
9 |
|
|
|
10 |
For more information about licensing, please refer to
|
|
|
11 |
http://www.ghostscript.com/licensing/. For information on
|
|
|
12 |
commercial licensing, go to http://www.artifex.com/licensing/ or
|
|
|
13 |
contact Artifex Software, Inc., 101 Lucas Valley Road #110,
|
|
|
14 |
San Rafael, CA 94903, U.S.A., +1(415)492-9861.
|
|
|
15 |
*/
|
|
|
16 |
|
|
|
17 |
|
|
|
18 |
/* $Id: dpmain.c,v 1.12 2004/08/19 21:52:20 ghostgum Exp $ */
|
|
|
19 |
/* Ghostscript DLL loader for OS/2 */
|
|
|
20 |
/* For WINDOWCOMPAT (console mode) application */
|
|
|
21 |
|
|
|
22 |
/* Russell Lang 1996-06-05 */
|
|
|
23 |
|
|
|
24 |
/* Updated 2001-03-10 by rjl
|
|
|
25 |
* New DLL interface, uses display device.
|
|
|
26 |
* Uses same interface to gspmdrv.c as os2pm device.
|
|
|
27 |
*/
|
|
|
28 |
|
|
|
29 |
#define INCL_DOS
|
|
|
30 |
#define INCL_DOSERRORS
|
|
|
31 |
#define INCL_WIN /* to get bits/pixel of display */
|
|
|
32 |
#define INCL_GPI /* to get bits/pixel of display */
|
|
|
33 |
#include <os2.h>
|
|
|
34 |
#include <stdio.h>
|
|
|
35 |
#include <string.h>
|
|
|
36 |
#include <time.h>
|
|
|
37 |
#include <io.h>
|
|
|
38 |
#include <fcntl.h>
|
|
|
39 |
#include <errno.h>
|
|
|
40 |
#include <sys/select.h>
|
|
|
41 |
#include "gscdefs.h"
|
|
|
42 |
#define GS_REVISION gs_revision
|
|
|
43 |
#include "ierrors.h"
|
|
|
44 |
#include "iapi.h"
|
|
|
45 |
#include "gdevdsp.h"
|
|
|
46 |
|
|
|
47 |
#define MAXSTR 256
|
|
|
48 |
#define BITMAPINFO2_SIZE 40
|
|
|
49 |
const char *szDllName = "GSDLL2.DLL";
|
|
|
50 |
char start_string[] = "systemdict /start get exec\n";
|
|
|
51 |
int debug = TRUE /* FALSE */;
|
|
|
52 |
|
|
|
53 |
|
|
|
54 |
#define MIN_COMMIT 4096 /* memory is committed in these size chunks */
|
|
|
55 |
#define ID_NAME "GSPMDRV_%u_%u"
|
|
|
56 |
#define SHARED_NAME "\\SHAREMEM\\%s"
|
|
|
57 |
#define SYNC_NAME "\\SEM32\\SYNC_%s"
|
|
|
58 |
#define MUTEX_NAME "\\SEM32\\MUTEX_%s"
|
|
|
59 |
|
|
|
60 |
LONG display_planes;
|
|
|
61 |
LONG display_bitcount;
|
|
|
62 |
LONG display_hasPalMan;
|
|
|
63 |
ULONG os_version;
|
|
|
64 |
|
|
|
65 |
/* main structure with info about the GS DLL */
|
|
|
66 |
typedef struct tagGSDLL {
|
|
|
67 |
HMODULE hmodule; /* DLL module handle */
|
|
|
68 |
PFN_gsapi_revision revision;
|
|
|
69 |
PFN_gsapi_new_instance new_instance;
|
|
|
70 |
PFN_gsapi_delete_instance delete_instance;
|
|
|
71 |
PFN_gsapi_set_stdio set_stdio;
|
|
|
72 |
PFN_gsapi_set_poll set_poll;
|
|
|
73 |
PFN_gsapi_set_display_callback set_display_callback;
|
|
|
74 |
PFN_gsapi_init_with_args init_with_args;
|
|
|
75 |
PFN_gsapi_run_string run_string;
|
|
|
76 |
PFN_gsapi_exit exit;
|
|
|
77 |
} GSDLL;
|
|
|
78 |
|
|
|
79 |
GSDLL gsdll;
|
|
|
80 |
void *instance;
|
|
|
81 |
TID tid;
|
|
|
82 |
|
|
|
83 |
void
|
|
|
84 |
gs_addmess(char *str)
|
|
|
85 |
{
|
|
|
86 |
fputs(str, stdout);
|
|
|
87 |
fflush(stdout);
|
|
|
88 |
}
|
|
|
89 |
|
|
|
90 |
/*********************************************************************/
|
|
|
91 |
/* load and unload the Ghostscript DLL */
|
|
|
92 |
|
|
|
93 |
/* free GS DLL */
|
|
|
94 |
/* This should only be called when gsdll_execute has returned */
|
|
|
95 |
/* TRUE means no error */
|
|
|
96 |
BOOL
|
|
|
97 |
gs_free_dll(void)
|
|
|
98 |
{
|
|
|
99 |
char buf[MAXSTR];
|
|
|
100 |
APIRET rc;
|
|
|
101 |
|
|
|
102 |
if (gsdll.hmodule == (HMODULE) NULL)
|
|
|
103 |
return TRUE;
|
|
|
104 |
rc = DosFreeModule(gsdll.hmodule);
|
|
|
105 |
if (rc) {
|
|
|
106 |
sprintf(buf, "DosFreeModule returns %d\n", rc);
|
|
|
107 |
gs_addmess(buf);
|
|
|
108 |
sprintf(buf, "Unloaded GSDLL\n\n");
|
|
|
109 |
gs_addmess(buf);
|
|
|
110 |
}
|
|
|
111 |
return !rc;
|
|
|
112 |
}
|
|
|
113 |
|
|
|
114 |
void
|
|
|
115 |
gs_load_dll_cleanup(void)
|
|
|
116 |
{
|
|
|
117 |
char buf[MAXSTR];
|
|
|
118 |
|
|
|
119 |
gs_free_dll();
|
|
|
120 |
}
|
|
|
121 |
|
|
|
122 |
/* load GS DLL if not already loaded */
|
|
|
123 |
/* return TRUE if OK */
|
|
|
124 |
BOOL
|
|
|
125 |
gs_load_dll(void)
|
|
|
126 |
{
|
|
|
127 |
char buf[MAXSTR + 40];
|
|
|
128 |
APIRET rc;
|
|
|
129 |
char *p;
|
|
|
130 |
int i;
|
|
|
131 |
const char *dllname;
|
|
|
132 |
PTIB pptib;
|
|
|
133 |
PPIB pppib;
|
|
|
134 |
char szExePath[MAXSTR];
|
|
|
135 |
char fullname[1024];
|
|
|
136 |
const char *shortname;
|
|
|
137 |
gsapi_revision_t rv;
|
|
|
138 |
|
|
|
139 |
if ((rc = DosGetInfoBlocks(&pptib, &pppib)) != 0) {
|
|
|
140 |
fprintf(stdout, "Couldn't get pid, rc = \n", rc);
|
|
|
141 |
return FALSE;
|
|
|
142 |
}
|
|
|
143 |
/* get path to EXE */
|
|
|
144 |
if ((rc = DosQueryModuleName(pppib->pib_hmte, sizeof(szExePath),
|
|
|
145 |
szExePath)) != 0) {
|
|
|
146 |
fprintf(stdout, "Couldn't get module name, rc = %d\n", rc);
|
|
|
147 |
return FALSE;
|
|
|
148 |
}
|
|
|
149 |
if ((p = strrchr(szExePath, '\\')) != (char *)NULL) {
|
|
|
150 |
p++;
|
|
|
151 |
*p = '\0';
|
|
|
152 |
}
|
|
|
153 |
dllname = szDllName;
|
|
|
154 |
#ifdef DEBUG
|
|
|
155 |
if (debug) {
|
|
|
156 |
sprintf(buf, "Trying to load %s\n", dllname);
|
|
|
157 |
gs_addmess(buf);
|
|
|
158 |
}
|
|
|
159 |
#endif
|
|
|
160 |
memset(buf, 0, sizeof(buf));
|
|
|
161 |
rc = DosLoadModule(buf, sizeof(buf), dllname, &gsdll.hmodule);
|
|
|
162 |
if (rc) {
|
|
|
163 |
/* failed */
|
|
|
164 |
/* try again, with path of EXE */
|
|
|
165 |
if ((shortname = strrchr((char *)szDllName, '\\'))
|
|
|
166 |
== (const char *)NULL)
|
|
|
167 |
shortname = szDllName;
|
|
|
168 |
strcpy(fullname, szExePath);
|
|
|
169 |
if ((p = strrchr(fullname, '\\')) != (char *)NULL)
|
|
|
170 |
p++;
|
|
|
171 |
else
|
|
|
172 |
p = fullname;
|
|
|
173 |
*p = '\0';
|
|
|
174 |
strcat(fullname, shortname);
|
|
|
175 |
dllname = fullname;
|
|
|
176 |
#ifdef DEBUG
|
|
|
177 |
if (debug) {
|
|
|
178 |
sprintf(buf, "Trying to load %s\n", dllname);
|
|
|
179 |
gs_addmess(buf);
|
|
|
180 |
}
|
|
|
181 |
#endif
|
|
|
182 |
rc = DosLoadModule(buf, sizeof(buf), dllname, &gsdll.hmodule);
|
|
|
183 |
if (rc) {
|
|
|
184 |
/* failed again */
|
|
|
185 |
/* try once more, this time on system search path */
|
|
|
186 |
dllname = shortname;
|
|
|
187 |
#ifdef DEBUG
|
|
|
188 |
if (debug) {
|
|
|
189 |
sprintf(buf, "Trying to load %s\n", dllname);
|
|
|
190 |
gs_addmess(buf);
|
|
|
191 |
}
|
|
|
192 |
#endif
|
|
|
193 |
rc = DosLoadModule(buf, sizeof(buf), dllname, &gsdll.hmodule);
|
|
|
194 |
}
|
|
|
195 |
}
|
|
|
196 |
if (rc == 0) {
|
|
|
197 |
#ifdef DEBUG
|
|
|
198 |
if (debug)
|
|
|
199 |
gs_addmess("Loaded Ghostscript DLL\n");
|
|
|
200 |
#endif
|
|
|
201 |
if ((rc = DosQueryProcAddr(gsdll.hmodule, 0, "GSAPI_REVISION",
|
|
|
202 |
(PFN *) (&gsdll.revision))) != 0) {
|
|
|
203 |
sprintf(buf, "Can't find GSAPI_REVISION, rc = %d\n", rc);
|
|
|
204 |
gs_addmess(buf);
|
|
|
205 |
gs_load_dll_cleanup();
|
|
|
206 |
return FALSE;
|
|
|
207 |
}
|
|
|
208 |
/* check DLL version */
|
|
|
209 |
if (gsdll.revision(&rv, sizeof(rv)) != 0) {
|
|
|
210 |
sprintf(buf, "Unable to identify Ghostscript DLL revision - it must be newer than needed.\n");
|
|
|
211 |
gs_addmess(buf);
|
|
|
212 |
gs_load_dll_cleanup();
|
|
|
213 |
return FALSE;
|
|
|
214 |
}
|
|
|
215 |
|
|
|
216 |
if (rv.revision != GS_REVISION) {
|
|
|
217 |
sprintf(buf, "Wrong version of DLL found.\n Found version %ld\n Need version %ld\n", rv.revision, (long)GS_REVISION);
|
|
|
218 |
gs_addmess(buf);
|
|
|
219 |
gs_load_dll_cleanup();
|
|
|
220 |
return FALSE;
|
|
|
221 |
}
|
|
|
222 |
|
|
|
223 |
if ((rc = DosQueryProcAddr(gsdll.hmodule, 0, "GSAPI_NEW_INSTANCE",
|
|
|
224 |
(PFN *) (&gsdll.new_instance))) != 0) {
|
|
|
225 |
sprintf(buf, "Can't find GSAPI_NEW_INSTANCE, rc = %d\n", rc);
|
|
|
226 |
gs_addmess(buf);
|
|
|
227 |
gs_load_dll_cleanup();
|
|
|
228 |
return FALSE;
|
|
|
229 |
}
|
|
|
230 |
if ((rc = DosQueryProcAddr(gsdll.hmodule, 0, "GSAPI_DELETE_INSTANCE",
|
|
|
231 |
(PFN *) (&gsdll.delete_instance))) != 0) {
|
|
|
232 |
sprintf(buf, "Can't find GSAPI_DELETE_INSTANCE, rc = %d\n", rc);
|
|
|
233 |
gs_addmess(buf);
|
|
|
234 |
gs_load_dll_cleanup();
|
|
|
235 |
return FALSE;
|
|
|
236 |
}
|
|
|
237 |
if ((rc = DosQueryProcAddr(gsdll.hmodule, 0, "GSAPI_SET_STDIO",
|
|
|
238 |
(PFN *) (&gsdll.set_stdio))) != 0) {
|
|
|
239 |
sprintf(buf, "Can't find GSAPI_SET_STDIO, rc = %d\n", rc);
|
|
|
240 |
gs_addmess(buf);
|
|
|
241 |
gs_load_dll_cleanup();
|
|
|
242 |
return FALSE;
|
|
|
243 |
}
|
|
|
244 |
if ((rc = DosQueryProcAddr(gsdll.hmodule, 0, "GSAPI_SET_DISPLAY_CALLBACK",
|
|
|
245 |
(PFN *) (&gsdll.set_display_callback))) != 0) {
|
|
|
246 |
sprintf(buf, "Can't find GSAPI_SET_DISPLAY_CALLBACK, rc = %d\n", rc);
|
|
|
247 |
gs_addmess(buf);
|
|
|
248 |
gs_load_dll_cleanup();
|
|
|
249 |
return FALSE;
|
|
|
250 |
}
|
|
|
251 |
if ((rc = DosQueryProcAddr(gsdll.hmodule, 0, "GSAPI_SET_POLL",
|
|
|
252 |
(PFN *) (&gsdll.set_poll))) != 0) {
|
|
|
253 |
sprintf(buf, "Can't find GSAPI_SET_POLL, rc = %d\n", rc);
|
|
|
254 |
gs_addmess(buf);
|
|
|
255 |
gs_load_dll_cleanup();
|
|
|
256 |
return FALSE;
|
|
|
257 |
}
|
|
|
258 |
if ((rc = DosQueryProcAddr(gsdll.hmodule, 0,
|
|
|
259 |
"GSAPI_INIT_WITH_ARGS",
|
|
|
260 |
(PFN *) (&gsdll.init_with_args))) != 0) {
|
|
|
261 |
sprintf(buf, "Can't find GSAPI_INIT_WITH_ARGS, rc = %d\n", rc);
|
|
|
262 |
gs_addmess(buf);
|
|
|
263 |
gs_load_dll_cleanup();
|
|
|
264 |
return FALSE;
|
|
|
265 |
}
|
|
|
266 |
if ((rc = DosQueryProcAddr(gsdll.hmodule, 0, "GSAPI_RUN_STRING",
|
|
|
267 |
(PFN *) (&gsdll.run_string))) != 0) {
|
|
|
268 |
sprintf(buf, "Can't find GSAPI_RUN_STRING, rc = %d\n", rc);
|
|
|
269 |
gs_addmess(buf);
|
|
|
270 |
gs_load_dll_cleanup();
|
|
|
271 |
return FALSE;
|
|
|
272 |
}
|
|
|
273 |
if ((rc = DosQueryProcAddr(gsdll.hmodule, 0, "GSAPI_EXIT",
|
|
|
274 |
(PFN *) (&gsdll.exit))) != 0) {
|
|
|
275 |
sprintf(buf, "Can't find GSAPI_EXIT, rc = %d\n", rc);
|
|
|
276 |
gs_addmess(buf);
|
|
|
277 |
gs_load_dll_cleanup();
|
|
|
278 |
return FALSE;
|
|
|
279 |
}
|
|
|
280 |
} else {
|
|
|
281 |
sprintf(buf, "Can't load Ghostscript DLL %s \nDosLoadModule rc = %d\n",
|
|
|
282 |
szDllName, rc);
|
|
|
283 |
gs_addmess(buf);
|
|
|
284 |
gs_load_dll_cleanup();
|
|
|
285 |
return FALSE;
|
|
|
286 |
}
|
|
|
287 |
return TRUE;
|
|
|
288 |
}
|
|
|
289 |
|
|
|
290 |
|
|
|
291 |
/*********************************************************************/
|
|
|
292 |
/* stdio functions */
|
|
|
293 |
|
|
|
294 |
static int
|
|
|
295 |
gsdll_stdin(void *instance, char *buf, int len)
|
|
|
296 |
{
|
|
|
297 |
return read(fileno(stdin), buf, len);
|
|
|
298 |
}
|
|
|
299 |
|
|
|
300 |
static int
|
|
|
301 |
gsdll_stdout(void *instance, const char *str, int len)
|
|
|
302 |
{
|
|
|
303 |
fwrite(str, 1, len, stdout);
|
|
|
304 |
fflush(stdout);
|
|
|
305 |
return len;
|
|
|
306 |
}
|
|
|
307 |
|
|
|
308 |
static int
|
|
|
309 |
gsdll_stderr(void *instance, const char *str, int len)
|
|
|
310 |
{
|
|
|
311 |
fwrite(str, 1, len, stderr);
|
|
|
312 |
fflush(stderr);
|
|
|
313 |
return len;
|
|
|
314 |
}
|
|
|
315 |
|
|
|
316 |
/*********************************************************************/
|
|
|
317 |
/* display device */
|
|
|
318 |
|
|
|
319 |
/*
|
|
|
320 |
#define DISPLAY_DEBUG
|
|
|
321 |
*/
|
|
|
322 |
|
|
|
323 |
typedef struct IMAGE_S IMAGE;
|
|
|
324 |
struct IMAGE_S {
|
|
|
325 |
void *handle;
|
|
|
326 |
void *device;
|
|
|
327 |
PID pid; /* PID of our window (CMD.EXE) */
|
|
|
328 |
HEV sync_event; /* tell gspmdrv to redraw window */
|
|
|
329 |
HMTX bmp_mutex; /* protects access to bitmap */
|
|
|
330 |
HQUEUE term_queue; /* notification that gspmdrv has finished */
|
|
|
331 |
ULONG session_id; /* id of gspmdrv */
|
|
|
332 |
PID process_id; /* of gspmdrv */
|
|
|
333 |
|
|
|
334 |
int width;
|
|
|
335 |
int height;
|
|
|
336 |
int raster;
|
|
|
337 |
int format;
|
|
|
338 |
|
|
|
339 |
BOOL format_known;
|
|
|
340 |
|
|
|
341 |
unsigned char *bitmap;
|
|
|
342 |
ULONG committed;
|
|
|
343 |
IMAGE *next;
|
|
|
344 |
};
|
|
|
345 |
|
|
|
346 |
IMAGE *first_image = NULL;
|
|
|
347 |
static IMAGE *image_find(void *handle, void *device);
|
|
|
348 |
|
|
|
349 |
static IMAGE *
|
|
|
350 |
image_find(void *handle, void *device)
|
|
|
351 |
{
|
|
|
352 |
IMAGE *img;
|
|
|
353 |
for (img = first_image; img!=0; img=img->next) {
|
|
|
354 |
if ((img->handle == handle) && (img->device == device))
|
|
|
355 |
return img;
|
|
|
356 |
}
|
|
|
357 |
return NULL;
|
|
|
358 |
}
|
|
|
359 |
|
|
|
360 |
|
|
|
361 |
/* start gspmdrv.exe */
|
|
|
362 |
static int run_gspmdrv(IMAGE *img)
|
|
|
363 |
{
|
|
|
364 |
int ccode;
|
|
|
365 |
PCHAR pdrvname = "gspmdrv.exe";
|
|
|
366 |
CHAR error_message[256];
|
|
|
367 |
CHAR term_queue_name[128];
|
|
|
368 |
CHAR id[128];
|
|
|
369 |
CHAR arg[1024];
|
|
|
370 |
STARTDATA sdata;
|
|
|
371 |
APIRET rc;
|
|
|
372 |
PTIB pptib;
|
|
|
373 |
PPIB pppib;
|
|
|
374 |
CHAR progname[256];
|
|
|
375 |
PCHAR tail;
|
|
|
376 |
|
|
|
377 |
#ifdef DEBUG
|
|
|
378 |
if (debug)
|
|
|
379 |
fprintf(stdout, "run_gspmdrv: starting\n");
|
|
|
380 |
#endif
|
|
|
381 |
sprintf(id, ID_NAME, img->pid, (ULONG)img->device);
|
|
|
382 |
|
|
|
383 |
/* Create termination queue - used to find out when gspmdrv terminates */
|
|
|
384 |
sprintf(term_queue_name, "\\QUEUES\\TERMQ_%s", id);
|
|
|
385 |
if (DosCreateQueue(&(img->term_queue), QUE_FIFO, term_queue_name)) {
|
|
|
386 |
fprintf(stdout, "run_gspmdrv: failed to create termination queue\n");
|
|
|
387 |
return e_limitcheck;
|
|
|
388 |
}
|
|
|
389 |
/* get full path to gsos2.exe and hence path to gspmdrv.exe */
|
|
|
390 |
if ((rc = DosGetInfoBlocks(&pptib, &pppib)) != 0) {
|
|
|
391 |
fprintf(stdout, "run_gspmdrv: Couldn't get module handle, rc = %d\n",
|
|
|
392 |
rc);
|
|
|
393 |
return e_limitcheck;
|
|
|
394 |
}
|
|
|
395 |
if ((rc = DosQueryModuleName(pppib->pib_hmte, sizeof(progname) - 1,
|
|
|
396 |
progname)) != 0) {
|
|
|
397 |
fprintf(stdout, "run_gspmdrv: Couldn't get module name, rc = %d\n",
|
|
|
398 |
rc);
|
|
|
399 |
return e_limitcheck;
|
|
|
400 |
}
|
|
|
401 |
if ((tail = strrchr(progname, '\\')) != (PCHAR) NULL) {
|
|
|
402 |
tail++;
|
|
|
403 |
*tail = '\0';
|
|
|
404 |
} else
|
|
|
405 |
tail = progname;
|
|
|
406 |
strcat(progname, pdrvname);
|
|
|
407 |
|
|
|
408 |
/* Open the PM driver session gspmdrv.exe */
|
|
|
409 |
/* arguments are: */
|
|
|
410 |
/* (1) -d (display) option */
|
|
|
411 |
/* (2) id string */
|
|
|
412 |
sprintf(arg, "-d %s", id);
|
|
|
413 |
|
|
|
414 |
/* because gspmdrv.exe is a different EXE type to gs.exe,
|
|
|
415 |
* we must use start session not DosExecPgm() */
|
|
|
416 |
sdata.Length = sizeof(sdata);
|
|
|
417 |
sdata.Related = SSF_RELATED_CHILD; /* to be a child */
|
|
|
418 |
sdata.FgBg = SSF_FGBG_BACK; /* start in background */
|
|
|
419 |
sdata.TraceOpt = 0;
|
|
|
420 |
sdata.PgmTitle = "Ghostscript PM driver session";
|
|
|
421 |
sdata.PgmName = progname;
|
|
|
422 |
sdata.PgmInputs = arg;
|
|
|
423 |
sdata.TermQ = term_queue_name;
|
|
|
424 |
sdata.Environment = pppib->pib_pchenv; /* use Parent's environment */
|
|
|
425 |
sdata.InheritOpt = 0; /* Can't inherit from parent because */
|
|
|
426 |
/* different sesison type */
|
|
|
427 |
sdata.SessionType = SSF_TYPE_DEFAULT; /* default is PM */
|
|
|
428 |
sdata.IconFile = NULL;
|
|
|
429 |
sdata.PgmHandle = 0;
|
|
|
430 |
sdata.PgmControl = 0;
|
|
|
431 |
sdata.InitXPos = 0;
|
|
|
432 |
sdata.InitYPos = 0;
|
|
|
433 |
sdata.InitXSize = 0;
|
|
|
434 |
sdata.InitYSize = 0;
|
|
|
435 |
sdata.ObjectBuffer = error_message;
|
|
|
436 |
sdata.ObjectBuffLen = sizeof(error_message);
|
|
|
437 |
|
|
|
438 |
rc = DosStartSession(&sdata, &img->session_id, &img->process_id);
|
|
|
439 |
if (rc == ERROR_FILE_NOT_FOUND) {
|
|
|
440 |
sdata.PgmName = pdrvname;
|
|
|
441 |
rc = DosStartSession(&sdata, &img->session_id, &img->process_id);
|
|
|
442 |
}
|
|
|
443 |
if (rc) {
|
|
|
444 |
fprintf(stdout, "run_gspmdrv: failed to run %s, rc = %d\n",
|
|
|
445 |
sdata.PgmName, rc);
|
|
|
446 |
fprintf(stdout, "run_gspmdrv: error_message: %s\n", error_message);
|
|
|
447 |
return e_limitcheck;
|
|
|
448 |
}
|
|
|
449 |
#ifdef DEBUG
|
|
|
450 |
if (debug)
|
|
|
451 |
fprintf(stdout, "run_gspmdrv: returning\n");
|
|
|
452 |
#endif
|
|
|
453 |
return 0;
|
|
|
454 |
}
|
|
|
455 |
|
|
|
456 |
void
|
|
|
457 |
image_color(unsigned int format, int index,
|
|
|
458 |
unsigned char *r, unsigned char *g, unsigned char *b)
|
|
|
459 |
{
|
|
|
460 |
switch (format & DISPLAY_COLORS_MASK) {
|
|
|
461 |
case DISPLAY_COLORS_NATIVE:
|
|
|
462 |
switch (format & DISPLAY_DEPTH_MASK) {
|
|
|
463 |
case DISPLAY_DEPTH_1:
|
|
|
464 |
*r = *g = *b = (index ? 0 : 255);
|
|
|
465 |
break;
|
|
|
466 |
case DISPLAY_DEPTH_4:
|
|
|
467 |
if (index == 7)
|
|
|
468 |
*r = *g = *b = 170;
|
|
|
469 |
else if (index == 8)
|
|
|
470 |
*r = *g = *b = 85;
|
|
|
471 |
else {
|
|
|
472 |
int one = index & 8 ? 255 : 128;
|
|
|
473 |
*r = (index & 4 ? one : 0);
|
|
|
474 |
*g = (index & 2 ? one : 0);
|
|
|
475 |
*b = (index & 1 ? one : 0);
|
|
|
476 |
}
|
|
|
477 |
break;
|
|
|
478 |
case DISPLAY_DEPTH_8:
|
|
|
479 |
/* palette of 96 colors */
|
|
|
480 |
/* 0->63 = 00RRGGBB, 64->95 = 010YYYYY */
|
|
|
481 |
if (index < 64) {
|
|
|
482 |
int one = 255 / 3;
|
|
|
483 |
*r = ((index & 0x30) >> 4) * one;
|
|
|
484 |
*g = ((index & 0x0c) >> 2) * one;
|
|
|
485 |
*b = (index & 0x03) * one;
|
|
|
486 |
}
|
|
|
487 |
else {
|
|
|
488 |
int val = index & 0x1f;
|
|
|
489 |
*r = *g = *b = (val << 3) + (val >> 2);
|
|
|
490 |
}
|
|
|
491 |
break;
|
|
|
492 |
}
|
|
|
493 |
break;
|
|
|
494 |
case DISPLAY_COLORS_GRAY:
|
|
|
495 |
switch (format & DISPLAY_DEPTH_MASK) {
|
|
|
496 |
case DISPLAY_DEPTH_1:
|
|
|
497 |
*r = *g = *b = (index ? 255 : 0);
|
|
|
498 |
break;
|
|
|
499 |
case DISPLAY_DEPTH_4:
|
|
|
500 |
*r = *g = *b = (unsigned char)((index<<4) + index);
|
|
|
501 |
break;
|
|
|
502 |
case DISPLAY_DEPTH_8:
|
|
|
503 |
*r = *g = *b = (unsigned char)index;
|
|
|
504 |
break;
|
|
|
505 |
}
|
|
|
506 |
break;
|
|
|
507 |
}
|
|
|
508 |
}
|
|
|
509 |
|
|
|
510 |
|
|
|
511 |
static int image_palette_size(int format)
|
|
|
512 |
{
|
|
|
513 |
int palsize = 0;
|
|
|
514 |
switch (format & DISPLAY_COLORS_MASK) {
|
|
|
515 |
case DISPLAY_COLORS_NATIVE:
|
|
|
516 |
switch (format & DISPLAY_DEPTH_MASK) {
|
|
|
517 |
case DISPLAY_DEPTH_1:
|
|
|
518 |
palsize = 2;
|
|
|
519 |
break;
|
|
|
520 |
case DISPLAY_DEPTH_4:
|
|
|
521 |
palsize = 16;
|
|
|
522 |
break;
|
|
|
523 |
case DISPLAY_DEPTH_8:
|
|
|
524 |
palsize = 96;
|
|
|
525 |
break;
|
|
|
526 |
}
|
|
|
527 |
break;
|
|
|
528 |
case DISPLAY_COLORS_GRAY:
|
|
|
529 |
switch (format & DISPLAY_DEPTH_MASK) {
|
|
|
530 |
case DISPLAY_DEPTH_1:
|
|
|
531 |
palsize = 2;
|
|
|
532 |
break;
|
|
|
533 |
case DISPLAY_DEPTH_4:
|
|
|
534 |
palsize = 16;
|
|
|
535 |
break;
|
|
|
536 |
case DISPLAY_DEPTH_8:
|
|
|
537 |
palsize = 256;
|
|
|
538 |
break;
|
|
|
539 |
}
|
|
|
540 |
break;
|
|
|
541 |
}
|
|
|
542 |
return palsize;
|
|
|
543 |
}
|
|
|
544 |
|
|
|
545 |
/* New device has been opened */
|
|
|
546 |
/* Tell user to use another device */
|
|
|
547 |
int display_open(void *handle, void *device)
|
|
|
548 |
{
|
|
|
549 |
APIRET rc;
|
|
|
550 |
IMAGE *img;
|
|
|
551 |
PTIB pptib;
|
|
|
552 |
PPIB pppib;
|
|
|
553 |
CHAR id[128];
|
|
|
554 |
CHAR name[128];
|
|
|
555 |
PBITMAPINFO2 bmi;
|
|
|
556 |
|
|
|
557 |
#ifdef DISPLAY_DEBUG
|
|
|
558 |
if (debug)
|
|
|
559 |
fputc('o', stdout);
|
|
|
560 |
fprintf(stdout, "display_open(0x%x, 0x%x)\n", handle, device);
|
|
|
561 |
#endif
|
|
|
562 |
|
|
|
563 |
if (first_image) {
|
|
|
564 |
/* gsos2.exe is a console application, and displays using
|
|
|
565 |
* gspmdrv.exe which is a PM application. To start
|
|
|
566 |
* gspmdrv.exe, DosStartSession is used with SSF_RELATED_CHILD.
|
|
|
567 |
* A process can have only one child session marked SSF_RELATED_CHILD.
|
|
|
568 |
* When we call DosStopSession for the second session, it will
|
|
|
569 |
* close, but it will not write to the termination queue.
|
|
|
570 |
* When we wait for the session to end by reading the
|
|
|
571 |
* termination queue, we wait forever.
|
|
|
572 |
* For this reason, multiple image windows are disabled
|
|
|
573 |
* for OS/2.
|
|
|
574 |
* To get around this, we would need to replace the current
|
|
|
575 |
* method of one gspmdrv.exe session per window, to having
|
|
|
576 |
* a new PM application which can display multiple windows
|
|
|
577 |
* within a single session.
|
|
|
578 |
*/
|
|
|
579 |
return e_limitcheck;
|
|
|
580 |
}
|
|
|
581 |
|
|
|
582 |
img = (IMAGE *)malloc(sizeof(IMAGE));
|
|
|
583 |
if (img == NULL)
|
|
|
584 |
return e_limitcheck;
|
|
|
585 |
memset(img, 0, sizeof(IMAGE));
|
|
|
586 |
|
|
|
587 |
/* add to list */
|
|
|
588 |
img->next = first_image;
|
|
|
589 |
first_image = img;
|
|
|
590 |
|
|
|
591 |
/* remember device and handle */
|
|
|
592 |
img->handle = handle;
|
|
|
593 |
img->device = device;
|
|
|
594 |
|
|
|
595 |
/* Derive ID from process ID */
|
|
|
596 |
if (DosGetInfoBlocks(&pptib, &pppib)) {
|
|
|
597 |
fprintf(stdout, "\ndisplay_open: Couldn't get pid\n");
|
|
|
598 |
return e_limitcheck;
|
|
|
599 |
}
|
|
|
600 |
img->pid = pppib->pib_ulppid; /* use parent (CMD.EXE) pid */
|
|
|
601 |
sprintf(id, ID_NAME, img->pid, (ULONG) img->device);
|
|
|
602 |
|
|
|
603 |
/* Create update event semaphore */
|
|
|
604 |
sprintf(name, SYNC_NAME, id);
|
|
|
605 |
if (DosCreateEventSem(name, &(img->sync_event), 0, FALSE)) {
|
|
|
606 |
fprintf(stdout, "display_open: failed to create event semaphore %s\n", name);
|
|
|
607 |
return e_limitcheck;
|
|
|
608 |
}
|
|
|
609 |
/* Create mutex - used for preventing gspmdrv from accessing */
|
|
|
610 |
/* bitmap while we are changing the bitmap size. Initially unowned. */
|
|
|
611 |
sprintf(name, MUTEX_NAME, id);
|
|
|
612 |
if (DosCreateMutexSem(name, &(img->bmp_mutex), 0, FALSE)) {
|
|
|
613 |
DosCloseEventSem(img->sync_event);
|
|
|
614 |
fprintf(stdout, "display_open: failed to create mutex semaphore %s\n", name);
|
|
|
615 |
return e_limitcheck;
|
|
|
616 |
}
|
|
|
617 |
|
|
|
618 |
/* Shared memory is common to all processes so we don't want to
|
|
|
619 |
* allocate too much.
|
|
|
620 |
*/
|
|
|
621 |
sprintf(name, SHARED_NAME, id);
|
|
|
622 |
if (DosAllocSharedMem((PPVOID) & img->bitmap, name,
|
|
|
623 |
13 * 1024 * 1024, PAG_READ | PAG_WRITE)) {
|
|
|
624 |
fprintf(stdout, "display_open: failed allocating shared BMP memory %s\n", name);
|
|
|
625 |
return e_limitcheck;
|
|
|
626 |
}
|
|
|
627 |
|
|
|
628 |
/* commit one page so there is enough storage for a */
|
|
|
629 |
/* bitmap header and palette */
|
|
|
630 |
if (DosSetMem(img->bitmap, MIN_COMMIT, PAG_COMMIT | PAG_DEFAULT)) {
|
|
|
631 |
DosFreeMem(img->bitmap);
|
|
|
632 |
fprintf(stdout, "display: failed committing BMP memory\n");
|
|
|
633 |
return e_limitcheck;
|
|
|
634 |
}
|
|
|
635 |
img->committed = MIN_COMMIT;
|
|
|
636 |
|
|
|
637 |
/* write a zero pixel BMP */
|
|
|
638 |
bmi = (PBITMAPINFO2) img->bitmap;
|
|
|
639 |
bmi->cbFix = BITMAPINFO2_SIZE; /* OS/2 2.0 and Windows 3.0 compatible */
|
|
|
640 |
bmi->cx = 0;
|
|
|
641 |
bmi->cy = 0;
|
|
|
642 |
bmi->cPlanes = 1;
|
|
|
643 |
bmi->cBitCount = 24;
|
|
|
644 |
bmi->ulCompression = BCA_UNCOMP;
|
|
|
645 |
bmi->cbImage = 0;
|
|
|
646 |
bmi->cxResolution = 0;
|
|
|
647 |
bmi->cyResolution = 0;
|
|
|
648 |
bmi->cclrUsed = 0;
|
|
|
649 |
bmi->cclrImportant = 0;
|
|
|
650 |
|
|
|
651 |
/* delay start of gspmdrv until size is known */
|
|
|
652 |
|
|
|
653 |
#ifdef DISPLAY_DEBUG
|
|
|
654 |
if (debug)
|
|
|
655 |
fputc('O', stdout);
|
|
|
656 |
#endif
|
|
|
657 |
return 0;
|
|
|
658 |
}
|
|
|
659 |
|
|
|
660 |
int display_preclose(void *handle, void *device)
|
|
|
661 |
{
|
|
|
662 |
IMAGE *img;
|
|
|
663 |
REQUESTDATA Request;
|
|
|
664 |
ULONG DataLength;
|
|
|
665 |
PVOID DataAddress;
|
|
|
666 |
PULONG QueueEntry;
|
|
|
667 |
BYTE ElemPriority;
|
|
|
668 |
#ifdef DISPLAY_DEBUG
|
|
|
669 |
if (debug)
|
|
|
670 |
fputc('l', stdout);
|
|
|
671 |
fprintf(stdout, "display_preclose(0x%x, 0x%x)\n", handle, device);
|
|
|
672 |
#endif
|
|
|
673 |
img = image_find(handle, device);
|
|
|
674 |
if (img) {
|
|
|
675 |
if (img->session_id) {
|
|
|
676 |
/* Close gspmdrv driver */
|
|
|
677 |
DosStopSession(STOP_SESSION_SPECIFIED, img->session_id);
|
|
|
678 |
Request.pid = img->pid;
|
|
|
679 |
Request.ulData = 0;
|
|
|
680 |
/* wait for termination queue, queue is then closed */
|
|
|
681 |
/* by session manager */
|
|
|
682 |
DosReadQueue(img->term_queue, &Request, &DataLength,
|
|
|
683 |
&DataAddress, 0, DCWW_WAIT, &ElemPriority, (HEV) NULL);
|
|
|
684 |
/* queue needs to be closed by us */
|
|
|
685 |
DosCloseQueue(img->term_queue);
|
|
|
686 |
}
|
|
|
687 |
img->session_id = 0;
|
|
|
688 |
img->term_queue = 0;
|
|
|
689 |
|
|
|
690 |
DosCloseEventSem(img->sync_event);
|
|
|
691 |
DosCloseMutexSem(img->bmp_mutex);
|
|
|
692 |
}
|
|
|
693 |
#ifdef DISPLAY_DEBUG
|
|
|
694 |
if (debug)
|
|
|
695 |
fputc('L', stdout);
|
|
|
696 |
#endif
|
|
|
697 |
return 0;
|
|
|
698 |
}
|
|
|
699 |
|
|
|
700 |
int display_close(void *handle, void *device)
|
|
|
701 |
{
|
|
|
702 |
IMAGE *img;
|
|
|
703 |
#ifdef DISPLAY_DEBUG
|
|
|
704 |
if (debug)
|
|
|
705 |
fputc('c', stdout);
|
|
|
706 |
fprintf(stdout, "display_close(0x%x, 0x%x)\n", handle, device);
|
|
|
707 |
#endif
|
|
|
708 |
img = image_find(handle, device);
|
|
|
709 |
if (img) {
|
|
|
710 |
/* gspmdrv was closed by display_preclose */
|
|
|
711 |
/* release memory */
|
|
|
712 |
DosFreeMem(img->bitmap);
|
|
|
713 |
img->bitmap = (unsigned char *)NULL;
|
|
|
714 |
img->committed = 0;
|
|
|
715 |
}
|
|
|
716 |
#ifdef DISPLAY_DEBUG
|
|
|
717 |
if (debug)
|
|
|
718 |
fputc('C', stdout);
|
|
|
719 |
#endif
|
|
|
720 |
return 0;
|
|
|
721 |
}
|
|
|
722 |
|
|
|
723 |
int display_presize(void *handle, void *device, int width, int height,
|
|
|
724 |
int raster, unsigned int format)
|
|
|
725 |
{
|
|
|
726 |
IMAGE *img;
|
|
|
727 |
#ifdef DISPLAY_DEBUG
|
|
|
728 |
if (debug)
|
|
|
729 |
fputc('r', stdout);
|
|
|
730 |
fprintf(stdout, "display_presize(0x%x 0x%x, %d, %d, %d, %d)\n",
|
|
|
731 |
handle, device, width, height, raster, format);
|
|
|
732 |
#endif
|
|
|
733 |
img = image_find(handle, device);
|
|
|
734 |
if (img) {
|
|
|
735 |
int color = format & DISPLAY_COLORS_MASK;
|
|
|
736 |
int depth = format & DISPLAY_DEPTH_MASK;
|
|
|
737 |
int alpha = format & DISPLAY_ALPHA_MASK;
|
|
|
738 |
img->format_known = FALSE;
|
|
|
739 |
if ( ((color == DISPLAY_COLORS_NATIVE) ||
|
|
|
740 |
(color == DISPLAY_COLORS_GRAY))
|
|
|
741 |
&&
|
|
|
742 |
((depth == DISPLAY_DEPTH_1) ||
|
|
|
743 |
(depth == DISPLAY_DEPTH_4) ||
|
|
|
744 |
(depth == DISPLAY_DEPTH_8)) )
|
|
|
745 |
img->format_known = TRUE;
|
|
|
746 |
if ((color == DISPLAY_COLORS_RGB) && (depth == DISPLAY_DEPTH_8) &&
|
|
|
747 |
(alpha == DISPLAY_ALPHA_NONE))
|
|
|
748 |
img->format_known = TRUE;
|
|
|
749 |
if (!img->format_known) {
|
|
|
750 |
fprintf(stdout, "display_presize: format %d = 0x%x is unsupported\n", format, format);
|
|
|
751 |
return e_limitcheck;
|
|
|
752 |
}
|
|
|
753 |
/* grab mutex to stop other thread using bitmap */
|
|
|
754 |
DosRequestMutexSem(img->bmp_mutex, 120000);
|
|
|
755 |
/* remember parameters so we can figure out where to allocate bitmap */
|
|
|
756 |
img->width = width;
|
|
|
757 |
img->height = height;
|
|
|
758 |
img->raster = raster;
|
|
|
759 |
img->format = format;
|
|
|
760 |
}
|
|
|
761 |
#ifdef DISPLAY_DEBUG
|
|
|
762 |
if (debug)
|
|
|
763 |
fputc('R', stdout);
|
|
|
764 |
#endif
|
|
|
765 |
return 0;
|
|
|
766 |
}
|
|
|
767 |
|
|
|
768 |
int display_size(void *handle, void *device, int width, int height,
|
|
|
769 |
int raster, unsigned int format, unsigned char *pimage)
|
|
|
770 |
{
|
|
|
771 |
IMAGE *img;
|
|
|
772 |
PBITMAPINFO2 bmi;
|
|
|
773 |
int nColors;
|
|
|
774 |
int i;
|
|
|
775 |
#ifdef DISPLAY_DEBUG
|
|
|
776 |
if (debug)
|
|
|
777 |
fputc('z', stdout);
|
|
|
778 |
fprintf(stdout, "display_size(0x%x 0x%x, %d, %d, %d, %d, %d, 0x%x)\n",
|
|
|
779 |
handle, device, width, height, raster, format, pimage);
|
|
|
780 |
#endif
|
|
|
781 |
img = image_find(handle, device);
|
|
|
782 |
if (img) {
|
|
|
783 |
if (!img->format_known)
|
|
|
784 |
return e_limitcheck;
|
|
|
785 |
|
|
|
786 |
img->width = width;
|
|
|
787 |
img->height = height;
|
|
|
788 |
img->raster = raster;
|
|
|
789 |
img->format = format;
|
|
|
790 |
/* write BMP header including palette */
|
|
|
791 |
bmi = (PBITMAPINFO2) img->bitmap;
|
|
|
792 |
bmi->cbFix = BITMAPINFO2_SIZE;
|
|
|
793 |
bmi->cx = img->width;
|
|
|
794 |
bmi->cy = img->height;
|
|
|
795 |
bmi->cPlanes = 1;
|
|
|
796 |
bmi->cBitCount = 24;
|
|
|
797 |
bmi->ulCompression = BCA_UNCOMP;
|
|
|
798 |
bmi->cbImage = 0;
|
|
|
799 |
bmi->cxResolution = 0;
|
|
|
800 |
bmi->cyResolution = 0;
|
|
|
801 |
bmi->cclrUsed = bmi->cclrImportant = image_palette_size(format);
|
|
|
802 |
|
|
|
803 |
switch (img->format & DISPLAY_DEPTH_MASK) {
|
|
|
804 |
default:
|
|
|
805 |
case DISPLAY_DEPTH_1:
|
|
|
806 |
bmi->cBitCount = 1;
|
|
|
807 |
break;
|
|
|
808 |
case DISPLAY_DEPTH_4:
|
|
|
809 |
bmi->cBitCount = 4;
|
|
|
810 |
break;
|
|
|
811 |
case DISPLAY_DEPTH_8:
|
|
|
812 |
if ((img->format & DISPLAY_COLORS_MASK) == DISPLAY_COLORS_NATIVE)
|
|
|
813 |
bmi->cBitCount = 8;
|
|
|
814 |
else if ((img->format & DISPLAY_COLORS_MASK) == DISPLAY_COLORS_GRAY)
|
|
|
815 |
bmi->cBitCount = 8;
|
|
|
816 |
else
|
|
|
817 |
bmi->cBitCount = 24;
|
|
|
818 |
break;
|
|
|
819 |
}
|
|
|
820 |
|
|
|
821 |
/* add palette if needed */
|
|
|
822 |
nColors = bmi->cclrUsed;
|
|
|
823 |
if (nColors) {
|
|
|
824 |
unsigned char *p;
|
|
|
825 |
p = img->bitmap + BITMAPINFO2_SIZE;
|
|
|
826 |
for (i = 0; i < nColors; i++) {
|
|
|
827 |
image_color(img->format, i, p+2, p+1, p);
|
|
|
828 |
*(p+3) = 0;
|
|
|
829 |
p += 4;
|
|
|
830 |
}
|
|
|
831 |
}
|
|
|
832 |
|
|
|
833 |
/* release mutex to allow other thread to use bitmap */
|
|
|
834 |
DosReleaseMutexSem(img->bmp_mutex);
|
|
|
835 |
}
|
|
|
836 |
#ifdef DISPLAY_DEBUG
|
|
|
837 |
if (debug) {
|
|
|
838 |
fprintf(stdout, "\nBMP dump\n");
|
|
|
839 |
fprintf(stdout, " bitmap=%lx\n", img->bitmap);
|
|
|
840 |
fprintf(stdout, " committed=%lx\n", img->committed);
|
|
|
841 |
fprintf(stdout, " cx=%d\n", bmi->cx);
|
|
|
842 |
fprintf(stdout, " cy=%d\n", bmi->cy);
|
|
|
843 |
fprintf(stdout, " cPlanes=%d\n", bmi->cPlanes);
|
|
|
844 |
fprintf(stdout, " cBitCount=%d\n", bmi->cBitCount);
|
|
|
845 |
fprintf(stdout, " ulCompression=%d\n", bmi->ulCompression);
|
|
|
846 |
fprintf(stdout, " cbImage=%d\n", bmi->cbImage);
|
|
|
847 |
fprintf(stdout, " cxResolution=%d\n", bmi->cxResolution);
|
|
|
848 |
fprintf(stdout, " cyResolution=%d\n", bmi->cyResolution);
|
|
|
849 |
fprintf(stdout, " cclrUsed=%d\n", bmi->cclrUsed);
|
|
|
850 |
fprintf(stdout, " cclrImportant=%d\n", bmi->cclrImportant);
|
|
|
851 |
}
|
|
|
852 |
if (debug)
|
|
|
853 |
fputc('Z', stdout);
|
|
|
854 |
#endif
|
|
|
855 |
return 0;
|
|
|
856 |
}
|
|
|
857 |
|
|
|
858 |
int display_sync(void *handle, void *device)
|
|
|
859 |
{
|
|
|
860 |
IMAGE *img;
|
|
|
861 |
#ifdef DISPLAY_DEBUG
|
|
|
862 |
if (debug)
|
|
|
863 |
fputc('s', stdout);
|
|
|
864 |
fprintf(stdout, "display_sync(0x%x, 0x%x)\n", handle, device);
|
|
|
865 |
#endif
|
|
|
866 |
img = image_find(handle, device);
|
|
|
867 |
if (img) {
|
|
|
868 |
if (!img->format_known)
|
|
|
869 |
return e_limitcheck;
|
|
|
870 |
/* delay starting gspmdrv until display_size has been called */
|
|
|
871 |
if (!img->session_id && (img->width != 0) && (img->height != 0))
|
|
|
872 |
run_gspmdrv(img);
|
|
|
873 |
DosPostEventSem(img->sync_event);
|
|
|
874 |
}
|
|
|
875 |
#ifdef DISPLAY_DEBUG
|
|
|
876 |
if (debug)
|
|
|
877 |
fputc('S', stdout);
|
|
|
878 |
#endif
|
|
|
879 |
return 0;
|
|
|
880 |
}
|
|
|
881 |
|
|
|
882 |
int display_page(void *handle, void *device, int copies, int flush)
|
|
|
883 |
{
|
|
|
884 |
#ifdef DISPLAY_DEBUG
|
|
|
885 |
if (debug)
|
|
|
886 |
fputc('p', stdout);
|
|
|
887 |
fprintf(stdout, "display_page(0x%x, 0x%x, copies=%d, flush=%d)\n",
|
|
|
888 |
handle, device, copies, flush);
|
|
|
889 |
#endif
|
|
|
890 |
display_sync(handle, device);
|
|
|
891 |
#ifdef DISPLAY_DEBUG
|
|
|
892 |
if (debug)
|
|
|
893 |
fputc('P', stdout);
|
|
|
894 |
#endif
|
|
|
895 |
return 0;
|
|
|
896 |
}
|
|
|
897 |
|
|
|
898 |
void *display_memalloc(void *handle, void *device, unsigned long size)
|
|
|
899 |
{
|
|
|
900 |
IMAGE *img;
|
|
|
901 |
unsigned long needed;
|
|
|
902 |
unsigned long header;
|
|
|
903 |
APIRET rc;
|
|
|
904 |
void *mem = NULL;
|
|
|
905 |
|
|
|
906 |
#ifdef DISPLAY_DEBUG
|
|
|
907 |
if (debug)
|
|
|
908 |
fputc('m', stdout);
|
|
|
909 |
fprintf(stdout, "display_memalloc(0x%x 0x%x %d)\n",
|
|
|
910 |
handle, device, size);
|
|
|
911 |
#endif
|
|
|
912 |
img = image_find(handle, device);
|
|
|
913 |
if (img) {
|
|
|
914 |
/* we don't actually allocate memory here, we only commit
|
|
|
915 |
* preallocated shared memory.
|
|
|
916 |
* First work out size of header + palette.
|
|
|
917 |
* We allocate space for the header and tell Ghostscript
|
|
|
918 |
* that the memory starts just after the header.
|
|
|
919 |
* We rely on the Ghostscript memory device placing the
|
|
|
920 |
* raster at the start of this memory and having a
|
|
|
921 |
* raster length the same as the length of a BMP row.
|
|
|
922 |
*/
|
|
|
923 |
header = BITMAPINFO2_SIZE + image_palette_size(img->format) * 4;
|
|
|
924 |
|
|
|
925 |
/* Work out if we need to commit more */
|
|
|
926 |
needed = (size + header + MIN_COMMIT - 1) & (~(MIN_COMMIT - 1));
|
|
|
927 |
if (needed > img->committed) {
|
|
|
928 |
/* commit more memory */
|
|
|
929 |
if (rc = DosSetMem(img->bitmap + img->committed,
|
|
|
930 |
needed - img->committed,
|
|
|
931 |
PAG_COMMIT | PAG_DEFAULT)) {
|
|
|
932 |
fprintf(stdout, "No memory in display_memalloc rc = %d\n", rc);
|
|
|
933 |
return NULL;
|
|
|
934 |
}
|
|
|
935 |
img->committed = needed;
|
|
|
936 |
}
|
|
|
937 |
mem = img->bitmap + header;
|
|
|
938 |
}
|
|
|
939 |
#ifdef DISPLAY_DEBUG
|
|
|
940 |
fprintf(stdout, " returning 0x%x\n", (int)mem);
|
|
|
941 |
if (debug)
|
|
|
942 |
fputc('M', stdout);
|
|
|
943 |
#endif
|
|
|
944 |
return mem;
|
|
|
945 |
}
|
|
|
946 |
|
|
|
947 |
int display_memfree(void *handle, void *device, void *mem)
|
|
|
948 |
{
|
|
|
949 |
/* we can't uncommit shared memory, so do nothing */
|
|
|
950 |
/* memory will be released when device is closed */
|
|
|
951 |
#ifdef DISPLAY_DEBUG
|
|
|
952 |
fprintf(stdout, "display_memfree(0x%x, 0x%x, 0x%x)\n",
|
|
|
953 |
handle, device, mem);
|
|
|
954 |
#endif
|
|
|
955 |
}
|
|
|
956 |
|
|
|
957 |
int display_update(void *handle, void *device,
|
|
|
958 |
int x, int y, int w, int h)
|
|
|
959 |
{
|
|
|
960 |
/* unneeded - we are running image window in a separate process */
|
|
|
961 |
return 0;
|
|
|
962 |
}
|
|
|
963 |
|
|
|
964 |
|
|
|
965 |
display_callback display = {
|
|
|
966 |
sizeof(display_callback),
|
|
|
967 |
DISPLAY_VERSION_MAJOR,
|
|
|
968 |
DISPLAY_VERSION_MINOR,
|
|
|
969 |
display_open,
|
|
|
970 |
display_preclose,
|
|
|
971 |
display_close,
|
|
|
972 |
display_presize,
|
|
|
973 |
display_size,
|
|
|
974 |
display_sync,
|
|
|
975 |
display_page,
|
|
|
976 |
display_update,
|
|
|
977 |
display_memalloc,
|
|
|
978 |
display_memfree
|
|
|
979 |
};
|
|
|
980 |
|
|
|
981 |
|
|
|
982 |
/*********************************************************************/
|
|
|
983 |
|
|
|
984 |
|
|
|
985 |
int
|
|
|
986 |
main(int argc, char *argv[])
|
|
|
987 |
{
|
|
|
988 |
int code, code1;
|
|
|
989 |
int exit_code;
|
|
|
990 |
int exit_status;
|
|
|
991 |
int nargc;
|
|
|
992 |
char **nargv;
|
|
|
993 |
char dformat[64];
|
|
|
994 |
ULONG version[3];
|
|
|
995 |
void *instance;
|
|
|
996 |
|
|
|
997 |
if (DosQuerySysInfo(QSV_VERSION_MAJOR, QSV_VERSION_REVISION,
|
|
|
998 |
&version, sizeof(version)))
|
|
|
999 |
os_version = 201000; /* a guess */
|
|
|
1000 |
else
|
|
|
1001 |
os_version = version[0] * 10000 + version[1] * 100 + version[2];
|
|
|
1002 |
|
|
|
1003 |
if (!gs_load_dll()) {
|
|
|
1004 |
fprintf(stdout, "Can't load %s\n", szDllName);
|
|
|
1005 |
return -1;
|
|
|
1006 |
}
|
|
|
1007 |
|
|
|
1008 |
/* insert -dDisplayFormat=XXXXX as first argument */
|
|
|
1009 |
{ int format = DISPLAY_COLORS_NATIVE | DISPLAY_ALPHA_NONE |
|
|
|
1010 |
DISPLAY_DEPTH_1 | DISPLAY_LITTLEENDIAN | DISPLAY_BOTTOMFIRST;
|
|
|
1011 |
int depth;
|
|
|
1012 |
HPS ps = WinGetPS(HWND_DESKTOP);
|
|
|
1013 |
HDC hdc = GpiQueryDevice(ps);
|
|
|
1014 |
DevQueryCaps(hdc, CAPS_COLOR_PLANES, 1, &display_planes);
|
|
|
1015 |
DevQueryCaps(hdc, CAPS_COLOR_BITCOUNT, 1, &display_bitcount);
|
|
|
1016 |
DevQueryCaps(hdc, CAPS_ADDITIONAL_GRAPHICS, 1, &display_hasPalMan);
|
|
|
1017 |
display_hasPalMan &= CAPS_PALETTE_MANAGER;
|
|
|
1018 |
depth = display_planes * display_bitcount;
|
|
|
1019 |
if ((depth <= 8) && !display_hasPalMan)
|
|
|
1020 |
depth = 24; /* disaster: limited colours and no palette */
|
|
|
1021 |
WinReleasePS(ps);
|
|
|
1022 |
|
|
|
1023 |
if (depth > 8)
|
|
|
1024 |
format = DISPLAY_COLORS_RGB | DISPLAY_ALPHA_NONE |
|
|
|
1025 |
DISPLAY_DEPTH_8 | DISPLAY_LITTLEENDIAN | DISPLAY_BOTTOMFIRST;
|
|
|
1026 |
else if (depth >= 8)
|
|
|
1027 |
format = DISPLAY_COLORS_NATIVE | DISPLAY_ALPHA_NONE |
|
|
|
1028 |
DISPLAY_DEPTH_8 | DISPLAY_LITTLEENDIAN | DISPLAY_BOTTOMFIRST;
|
|
|
1029 |
else if (depth >= 4)
|
|
|
1030 |
format = DISPLAY_COLORS_NATIVE | DISPLAY_ALPHA_NONE |
|
|
|
1031 |
DISPLAY_DEPTH_4 | DISPLAY_LITTLEENDIAN | DISPLAY_BOTTOMFIRST;
|
|
|
1032 |
sprintf(dformat, "-dDisplayFormat=%d", format);
|
|
|
1033 |
}
|
|
|
1034 |
nargc = argc + 1;
|
|
|
1035 |
|
|
|
1036 |
|
|
|
1037 |
#ifdef DEBUG
|
|
|
1038 |
if (debug)
|
|
|
1039 |
fprintf(stdout, "%s\n", dformat);
|
|
|
1040 |
#endif
|
|
|
1041 |
nargc = argc + 1;
|
|
|
1042 |
nargv = (char **)malloc((nargc + 1) * sizeof(char *));
|
|
|
1043 |
nargv[0] = argv[0];
|
|
|
1044 |
nargv[1] = dformat;
|
|
|
1045 |
memcpy(&nargv[2], &argv[1], argc * sizeof(char *));
|
|
|
1046 |
|
|
|
1047 |
if ( (code = gsdll.new_instance(&instance, NULL)) == 0) {
|
|
|
1048 |
gsdll.set_stdio(instance, gsdll_stdin, gsdll_stdout, gsdll_stderr);
|
|
|
1049 |
gsdll.set_display_callback(instance, &display);
|
|
|
1050 |
|
|
|
1051 |
code = gsdll.init_with_args(instance, nargc, nargv);
|
|
|
1052 |
if (code == 0)
|
|
|
1053 |
code = gsdll.run_string(instance, start_string, 0, &exit_code);
|
|
|
1054 |
code1 = gsdll.exit(instance);
|
|
|
1055 |
if (code == 0 || (code == e_Quit && code1 != 0))
|
|
|
1056 |
code = code1;
|
|
|
1057 |
|
|
|
1058 |
gsdll.delete_instance(instance);
|
|
|
1059 |
}
|
|
|
1060 |
|
|
|
1061 |
gs_free_dll();
|
|
|
1062 |
|
|
|
1063 |
free(nargv);
|
|
|
1064 |
|
|
|
1065 |
exit_status = 0;
|
|
|
1066 |
switch (code) {
|
|
|
1067 |
case 0:
|
|
|
1068 |
case e_Info:
|
|
|
1069 |
case e_Quit:
|
|
|
1070 |
break;
|
|
|
1071 |
case e_Fatal:
|
|
|
1072 |
exit_status = 1;
|
|
|
1073 |
break;
|
|
|
1074 |
default:
|
|
|
1075 |
exit_status = 255;
|
|
|
1076 |
}
|
|
|
1077 |
|
|
|
1078 |
return exit_status;
|
|
|
1079 |
}
|